diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index 91ad31e8..c1585c50 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -46,6 +46,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-      - run: pip install -r requirements.txt wheel build
-      - run: python -m build --no-isolation
+      - run: pip install build
+      - run: python -m build
       - run: python -m pip install dist/beanquery-*.whl
diff --git a/beanquery/query_render.py b/beanquery/query_render.py
index ebcfbcae..24d53618 100644
--- a/beanquery/query_render.py
+++ b/beanquery/query_render.py
@@ -22,6 +22,23 @@ class Align(enum.Enum):
     RIGHT = 1
 
 
+class _CurrencyContext(display_context._CurrencyContext):
+    def __init__(self):
+        super().__init__()
+        # Since commit 10b6f5efd2385e3d0efe6715584d7f540e2e7abf
+        # beancount assumes the presence of a sign unconditionally ,
+        # changing the formatting of columns that do not contain
+        # negative numbers. Revert the change.
+        self.has_sign = False
+
+
+class _DisplayContext(display_context.DisplayContext):
+    def __init__(self):
+        self.ccontexts = collections.defaultdict(_CurrencyContext)
+        self.ccontexts["__default__"] = _CurrencyContext()
+        self.commas = False
+
+
 class RenderContext:
     """Hold the query rendering configuration."""
 
@@ -235,7 +252,7 @@ def __init__(self, ctx):
         # determine the quantization of the column values.
         self.quantize = ctx.dcontext.quantize
         # Use column specific display context for formatting.
-        self.dcontext = display_context.DisplayContext()
+        self.dcontext = _DisplayContext()
         # Maximum width of the commodity symbol.
         self.curwidth = 0
 
diff --git a/pyproject.toml b/pyproject.toml
index 0e08d27c..2778f7ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,12 +1,13 @@
 [build-system]
-requires = ['setuptools']
+requires = ['setuptools >= 77.0.3']
 build-backend = 'setuptools.build_meta'
 
 [project]
 name = 'beanquery'
 version = '0.3.0.dev0'
 description = 'Customizable lightweight SQL query tool'
-license = { file = 'LICENSE' }
+license = 'GPL-2.0-only'
+license-files = ['LICENSE']
 readme = 'README.rst'
 authors = [
     { name = 'Martin Blais', email = 'blais@furius.ca' },
@@ -19,7 +20,6 @@ keywords = [
     'accounting', 'ledger', 'beancount', 'SQL', 'BQL'
 ]
 classifiers = [
-    'License :: OSI Approved :: GNU General Public License v2 (GPLv2)',
     'Programming Language :: Python :: 3 :: Only',
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
@@ -67,6 +67,7 @@ line-length = 128
 target-version = 'py38'
 
 [tool.ruff.lint]
+pyupgrade.keep-runtime-typing = true
 select = ['E', 'F', 'W', 'UP', 'B', 'C4', 'PL', 'RUF']
 ignore = [
     'B007',
@@ -79,6 +80,7 @@ ignore = [
     'PLR0915',
     'PLR1714',
     'PLR2004',
+    'PLW1641', # eq-without-hash
     'PLW2901',
     'RUF012',
     'RUF023',  # unsorted-dunder-slots
diff --git a/requirements.txt b/requirements.txt
index 3104dcef..f18e1555 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 beancount >=2.3.4
 click >7.0
 python-dateutil >=2.6.0
-tatsu >=5.7.4, <5.8.0
+tatsu-lts